Horizontal bus connection left 3 cm from 3 to 4-pole
Horizontal bus connection right 3 cm from 3 to 4-pole
20cm bus cable (4 colors wires) for horizontal connection of 2 modules.
Four pin connector for connection of two bus cables (XP07 or XP09).
20 cm bus cable for vertical connection of 2 modules (4 black wires).
Horizontal bus connection left 25 cm from 4 to 3-pole
Horizontal bus connection right 3 cm from 3 to 4-pole